Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997raf....40.1063a&link_type=abstract
Radiofizika, vol. 40, p. 1063
Astronomy and Astrophysics
Astronomy
Solar Radio Bursts, Radio Interferometers, Temporal Resolution, Radio Sources (Astronomy), Decimeter Waves, Solar Physics
Scientific paper
Radio interferometric equipment for observations of solar decimeter spike-like events with a millisecond time resolution is described. The equipment was tested using the two-element interferometer (540 MHz) of the RAS NIRFI 'Staraya Pustyn' with a baseline of 416 m in October-November 1993 and September-October 1994. More than 20 radio bursts were detected with a time resolution of 0.256 ms. The rise and fall timescales of spikes were as a rule from 50 to 200 ms. The bursts with time scales less than 20 ms were absent in this observation set. A real possibility to measure with 1-2 arcsec precision the dynamics of radio source bright centers during intensive bursts is shown.
Alekseev Vladimir A.
Dugin N. A.
Lipatov B. N.
Mel'Nikov V. F.
Snegirev S. D.
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